Function Transform

cli/compose/loader/loader.go:297–311

Transform converts the source into the target struct with compose types transformer and the specified transformers if any.

(source any, target any, additionalTransformers ...Transformer)

// Transform converts the source into the target struct with compose types transformer
// and the specified transformers if any.
func Transform(source any, target any, additionalTransformers ...Transformer) error {
	data := mapstructure.Metadata{}
	config := &mapstructure.DecoderConfig{
		DecodeHook: mapstructure.ComposeDecodeHookFunc(
			createTransformHook(additionalTransformers...),
			mapstructure.StringToTimeDurationHookFunc()),
		Result:   target,
		Metadata: &data,
	}
	decoder, err := mapstructure.NewDecoder(config)
	if err != nil {
		return err
	}
	return decoder.Decode(source)
}

// TransformerFunc defines a function to perform the actual transformation
type TransformerFunc func(any) (any, error)